{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of blockchain technology on digital identity verification?","a":"Strengthening Privacy Protection: Digital identity authentication technology based on blockchain allows users to choose anonymous registration, only needing to provide a public key without needing to provide personal information. In this way, users do  not need to worry about their personal information being leaked, and their personal privacy is protected."}]}],"pr":"c5beeb433f99f9d166d66a2308f1488e6d5f14fb1d5eca22f58196d1ac39763a"}